CN205920019U - Calibration device is used to car board shaping limit picture survey - Google Patents
Calibration device is used to car board shaping limit picture survey Download PDFInfo
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- CN205920019U CN205920019U CN201620754347.XU CN201620754347U CN205920019U CN 205920019 U CN205920019 U CN 205920019U CN 201620754347 U CN201620754347 U CN 201620754347U CN 205920019 U CN205920019 U CN 205920019U
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- hole
- scaling board
- supporting vertical
- vertical plate
- base
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Abstract
The utility model discloses a calibration device is used to car board shaping limit picture survey, include the base, rotatory support, the support riser that with rotatory support link to each other and the support riser continuous scaling board of setting on the base that have the punching press hole. Through selecting suitable locating hole, adjust the vertical height of scaling board to adjusting parameterization with the scaling board height, through rotating the rotating circular disk, observe the position that the rotatory scale mark on bottom plate indicating line and the base corresponds, can fix a position the rotatory angle of current angle and scaling board at any time, make rotatory angle have according to complying with, in addition, through adjusting the scaling board, observing the scaling board pointer and supporting the position that the upset scale mark corresponds on the riser body, can fix a position the angle of current scaling board slope at any time, the angle that makes the scaling board incline has the certificate to comply with, therefore, the utility model discloses calibration device is used to car board shaping limit picture survey has improved the precision and the success rate of maring to later stage survey FLD's experimental precision has been improved.
Description
Technical field
This utility model belongs to metal material mechanics performance test field and in particular to a kind of Automobile Plate forming limit figure is surveyed
Surely use caliberating device.
Background technology
Stamping is that a kind of metal sheet type parts being widely used in the industries such as automobile, aviation and household electrical appliances produce work
Skill, has played important function in modern industry produces.Forming limit diagram (fld) be judge part forming during whether rupture
Important evidence, be fem numerical simulation solve part cracking and wrinkling problem critical material parameter.Fld curve is approximate
Obtain under the experimental condition in linear strain path, be ultimate deformation ability under linear strain paths for the sheet material.As shown in figure 1,
Fld curve left-hand component is drawing deformed area, right-hand component is bulging deformed area, centre is plane strain region, plane strain
Region is minimum, and the size of fld determines the actual crystallized ability of sheet material to a certain extent.
In order to obtain strain paths under various boundary conditions for the material, often using strain grid measuring technology.Grid
Strain measurement is to apply a kind of very universal method in thin sheet surface strain measurement, before and after being mainly used in the shaping of measurement material
The surface strain distribution of part and path etc..For strain grid measurement grid form have square net (as shown in Figure 2) and
Virtual grid (random speckle pattern as shown in Figure 3).The reacting condition plate strain of grid (speckle) before and after material deformation
Direction and size, and catch and record this slight change and will use optical strain measuring system.
Optical measuring system must be done according to different experimental conditions before each test and once demarcate, and the purpose of demarcation is just
It is the correction that software parameter is carried out appropriateness, enable to meet the change accurately catching grid (speckle) in the range of certain space
Change.At present, conventional calibration process is artificially to be placed scaling board according to software prompt, the scaling board liter of software defined
The parameters such as the high angle of distance, the angle of rotation and inclination are all manually estimated it is impossible to carry out quantitation.Although suggested by software
Operation be also not required for very accurate, but result of the test shows, the precision of optical measuring system and manually adjust scaling board
The degree of accuracy estimated has very strong contact, and that is, when manually adjusting, scaling board precision is higher, then the precision of optical measuring system is got over
Height, its total deviation value δ is less.
Therefore, there is more artificial disturbance factor in current calibration process, and software prompt cannot be accomplished more accurate
Feedback, the total deviation value that so will result in optical measuring system is bigger than normal, the certainty of measurement of impact fld test.And, if
Total deviation value is more than 0.04, then also need to be re-scaled, thus affecting the efficiency tested.
Content of the invention
The purpose of this utility model is aiming at the deficiency of above-mentioned technology, provides a kind of Automobile Plate that can improve test accuracy
Forming limit figure mensure caliberating device, thus improve test efficiency.
For achieving the above object, the Automobile Plate forming limit figure mensure caliberating device designed by this utility model, including
Base with punching hole, the rotary support being arranged on base, the supporting vertical plate being connected with rotary support and and supporting vertical plate
Connected scaling board；
One circle rotating scale line is along the circumferential direction provided with described susceptor surface；
Base plate and setting that the rotating circular disk that described rotary support includes being arranged on base is fixedly connected with rotating circular disk
On base plate rotary end surface and the indicatrix vertical with base plate plane, and the circle central axis of rotating circular disk pass through rotating scale line
The center of circle, the maximum radius of turn of base plate rotary end surface is less than rotating scale line and initiates the outer end point to the distance in the center of circle；
Supporting vertical plate body that described supporting vertical plate includes being vertically set on base plate, it is located at supporting vertical plate bodies top
Connect projection, be opened in the axis hole connecting projection center and be arranged on supporting vertical plate body upper part surface and with axis hole
The upset graduation mark that circle is along the circumferential direction distributed for the center of circle, supporting vertical plate body is located at the center position of rotating circular disk；
Have on described scaling board and accommodate the swivelling chute connecting projection, the side wall of swivelling chute is provided with sensing supporting vertical plate
Body overturns the indicator of graduation mark, connects projection and is connected with scaling board by rotary shaft；Described scaling board is horizontal
When, as start index line, scaling board rotates around rotary shaft and drives indicator to carve in upset the upset graduation mark that indicator is pointed to
The angle that on degree line, the angle of sweeping rotates for scaling board.
Further, described base plate has the through hole inserting described supporting vertical plate body, the center of described rotating circular disk
There is the through hole inserting described supporting vertical plate body at position；The side of described base plate has the spacing hole through described through hole,
One location hole is at least offered on described supporting vertical plate body, bearing pin passes through spacing hole and location hole by described supporting vertical plate originally
Body is fixed on described base plate.
Further, described base has the cylindrical hole installing described rotating circular disk, the internal diameter of described cylindrical hole and institute
The external diameter stating rotating circular disk matches, and the central axis of described cylindrical hole, the central axis of described punching hole and described rotation
The central axes of disk.
Further, the rotary end surface of described base plate is a circular arc rotary end surface, and described indicatrix is located at described circular arc
At the axial centerline of rotary end surface.
Further, the side of described scaling board has the rotary shaft hole through described swivelling chute, and described rotary shaft passes through
Supporting vertical plate is connected by the axis hole of rotary shaft hole and connection projection with scaling board, and rotary shaft hole is vertical with indicator.
Further, described rotating circular disk is annular rotating circular disk.
Further, described supporting vertical plate body offers 3～4 location holes of uniform or non-homogeneous arrangement.
Compared with prior art, this utility model has the advantage that by selecting suitable location hole, can adjust mark
The vertical height of fixed board, thus the regulation parameter by scaling board height；By rotate rotating circular disk, observe base plate indicatrix and
The corresponding position of rotating scale line on base, can position current angle and the angle of scaling board rotation at any time, make rotation
Angle evidence-based；In addition, by adjusting scaling board, observing scaling board indicator and upset graduation mark on supporting vertical plate body
Corresponding position, can position the angle that current scaling board tilts at any time, make the angle that scaling board tilts evidence-based；Therefore,
This utility model Automobile Plate forming limit figure mensure caliberating device, improves precision and the success rate of demarcation, thus improve
Later stage measures the test accuracy of fld, easy to operate, and improve demarcation efficiency, it is to avoid cause because calibration mass is not good
Situation about repeatedly demarcating.
Brief description
Fig. 1 is shaping limit curve schematic diagram；
Fig. 2 is direction grid schematic diagram；
Fig. 3 is random speckle pattern schematic diagram；
Fig. 4 is the structural representation of this utility model Automobile Plate forming limit figure mensure caliberating device；
Fig. 5 is base schematic diagram in Fig. 4；
Fig. 6 is rotary support schematic diagram in Fig. 4；
Fig. 7 is supporting vertical plate schematic diagram in Fig. 4；
Fig. 8 is scaling board schematic diagram in Fig. 4；
Fig. 9 is supporting vertical plate and demarcation board mounting structure schematic front view in Fig. 4.
The each part numbers of in figure are as follows: base 1, rotary support 2, supporting vertical plate 3, scaling board 4, rotating scale line 5, punching press
Hole 6, cylindrical hole 7, rotating circular disk 8, bearing pin 9, through hole 10, indicatrix 11, rotary end surface 12, base plate 13, through hole 14, support are vertical
Plate body 15, connection projection 16, upset graduation mark 17, axis hole 18, location hole 19, swivelling chute 20, rotary shaft hole 21, indicator
22nd, rotary shaft 23.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Automobile Plate forming limit figure mensure caliberating device as shown in Figure 1, including the base 1 with punching hole 6, setting
Rotary support 2 on base 1, the supporting vertical plate 3 being connected with rotary support 2 and the scaling board 4 being connected with supporting vertical plate 3.
In conjunction with shown in Fig. 2, the base 1 of the present embodiment be cylindrical base 1 naturally it is also possible to be cuboid base, with circle
The center of cylindrical base 1 is that the center of circle is along the circumferential direction provided with a circle rotating scale line 5 on cylindrical base 1 surface, and this rotation is carved
Degree line 5 can accurately reflect scaling board angular transformation value；Cylindrical hole 7 is had on cylindrical base 1 center position, cylindrical hole 7
Internal diameter is more than the internal diameter of punching hole 6 and both connect formation boss structure form, and the central axis of cylindrical hole 7, punching hole 6
Central axis and the central axes of cylindrical base 1, the drift of fld carries out bulging and stretching operation by punching hole 6；
As shown in fig. 6, rotary support 2 includes rotating circular disk 8 and the rotational circle being arranged in cylindrical base 1 cylindrical hole 7
Base plate 13 that disk 8 is fixedly connected and being arranged on base plate 13 rotary end surface 12 and the indicatrix 11 vertical with base plate 13 plane, rotation
Turn the external diameter of disk 8 and the internal diameter of cylindrical hole 7 matches, the central axis weight of the circle central axis of rotating circular disk 8 and cylindrical hole 7
Close so that the circle central axis of rotating circular disk 8 pass through the center of circle of rotating scale line 5；In addition, the maximum rotation of base plate 13 rotary end surface 12
Turn radius and initiate the outer end point to the distance in the center of circle less than rotating scale line 5, convenient reading rotating scale line；
As shown in fig. 7, supporting vertical plate 3 include being vertically arranged supporting vertical plate body 15 on base 13, be located at support vertical
The connecting projection 16, be opened in and connect the axis hole 18 of projection 16 center and be arranged on supporting vertical plate body of plate body 15 top
The upset graduation mark 17 being along the circumferential direction distributed for the center of circle on 15 upper faces and with the circle of axis hole 18；
In conjunction with shown in Fig. 8, Fig. 9, in the present embodiment, scaling board 4 is cuboid scaling board 4, and it is special that scaling board 4 front is printed on
Pattern, identifies for optical measuring system and demarcates, and scaling board 4 back side center position has and accommodates the swivelling chute connecting projection 16
20, the side wall of swivelling chute 20 is provided with and points to the indicator 22 that supporting vertical plate body 15 overturns graduation mark 17, the side of scaling board 4
Face has the rotary shaft hole 21 through swivelling chute 20, and rotary shaft 23 passes through rotary shaft hole 21 and the axis hole 18 of connection projection 16 will prop up
Support riser 3 is connected with scaling board 4, enables scaling board 4 around rotary shaft 23 circular motion, and rotary shaft hole 21 and indicator 22
Vertically.When scaling board 4 is horizontal, the upset graduation mark 17 that indicator 22 is pointed to, as start index line, demarcates 4 plates
Rotate the angle driving indicator 22 angle of sweeping on upset graduation mark 17 to be scaling board 4 rotation around rotary shaft 23.
In conjunction with shown in Fig. 6, Fig. 7, in the present embodiment, base plate 13 is in windsurfing shape, and windsurfing shape base plate is with rotating circular disk rigidly
Connect, include cuboid body, be opened in cuboid body central position and the insertion through hole 10 of supporting vertical plate body 15 and edge
The circular arc rotary end surface 12 that cuboid body two ends stretch out, the central axis of cuboid body and the circle core shaft of rotating circular disk
Line overlaps, and is equipped with the indicatrix vertical with cuboid body plane at the axial centerline of two circular arc rotary end surfaces 12
11；In addition, the side of base plate 13 has the spacing hole through through hole 10, supporting vertical plate body 15 is opened uniform or non-homogeneous open up
There are 3～4 location holes 19, supporting vertical plate body 15 bottom passes through the through hole 10 of base plate 13 center, extends to rotating circular disk 8
In the through hole 14 of center, such as the present embodiment, rotating circular disk 8 is annular rotating circular disk 8, and bearing pin 9 passes through spacing hole and determines
Supporting vertical plate body 15 is fixed on base 13 by position hole 19, can adjust the height of supporting vertical plate body.In this enforcement, three
Location hole 19 make scaling board to rotating circular disk height be respectively 10mm, 20mm and 30mm, thus realize 0,10mm, 20mm and
The regulation of tetra- shelves of 30mm.
When rotating circular disk 8 rotates on cylindrical base 1, superstructure (i.e. supporting vertical plate 3 and scaling board 4) is driven to carry out
Horizontal rotation, while horizontal rotation, the reading that indicatrix 11 stops on corresponding rotating scale line 5 is current rotation
Angle, by reading this numerical value, can clearly record the accurate angle that the superstructure of rotating circular disk 8 is rotated.Indicator 22
Common with scaling board 4 around rotary shaft 23 circular motion, indicator 22 being capable of upset graduation mark on supporting vertical plate body 15
Sweeping on 17, the current flip angle of the accurate and visual record scaling board 4 of energy.
This utility model Automobile Plate forming limit figure measures as follows with caliberating device concrete operation step:
1st, base 1 is placed on fld testing machine test platform；
2nd, the rotating circular disk 8 of rotary support 2 is put in the cylindrical hole 7 of base 1, and coat lubricating oil, make rotating circular disk 8
Rotate freely；
3rd, regioselective hole 19, and bearing pin 9 is inserted, so that supporting vertical plate 3 is inserted perpendicularly into and be fixed on the logical of base plate 13 center
In hole 10；
4th, rotary shaft 23 is sequentially passed through scaling board 4 and supporting vertical plate 3, so that scaling board 4 is rotated around rotary shaft 23；
5th, accordingly adjusted according to program prompting:
A, when prompting raise (reduction) scaling board when, selection suitable location hole 19 carry out up-down adjustment；
B, when scaling board 4 is rotated to an angle by prompting, rotate rotating circular disk 8 together with superstructure, observe bottom
The corresponding angle of rotating scale line 5 in indicatrix 11 and base 1 on plate 13, its differential seat angle is the angle of change；
C, when scaling board 4 is tilted certain angle by prompting, rotate scaling board 4, by indicator 22 and upset graduation mark 17
Corresponding angular adjustment is to required angle.
The demarcation command request scaling board of optic test software (two photographing units) under test system does corresponding change,
Change is primarily present three degree of freedom: the 1, change of scaling board height；2nd, scaling board rotates certain angle with the circle of base for the center of circle
Degree；3rd, scaling board does the inclination of certain angle around rotary shaft 18.And in this three degree of freedom change procedure, software is all given
Go out certain parameter change, and scaling board feedback is more accurate, its last precision demarcated is higher, and that is, total deviation value δ is less.Passing
In system calibration process, estimation, the standard of neither one reference and yardstick all artificially, therefore, traditional calibration process is mark
The change of fixed board is more arbitrarily although also can meet the requirement of equipment to a certain extent, but precision is generally slightly poor, extreme feelings
Condition needs to be repeated demarcation, expends time and efforts.
And this utility model Automobile Plate forming limit figure mensure caliberating device: by selecting suitable location hole 19, can
To adjust the vertical height of scaling board 4, thus the regulation parameter by scaling board 4 height；By rotating rotating circular disk 8, observe
The corresponding position of rotating scale line 5 in base plate 13 indicatrix 11 and base 1, can position current angle and scaling board at any time
The angle of 4 rotations, makes the angle of rotation evidence-based；In addition, by adjusting scaling board 4, observing scaling board 4 indicator 22 and prop up
Overturn the corresponding position of graduation mark 17 on support riser body 15, the angle that current scaling board 4 tilts can be positioned at any time, make demarcation
The angle that plate tilts is evidence-based；Therefore, this utility model Automobile Plate forming limit figure mensure caliberating device, improves demarcation
Precision and success rate, thus improve the test accuracy that the later stage measures fld, easy to operate, and improve demarcation efficiency, it is to avoid
The situation about repeatedly demarcating that causes because calibration mass is not good.
Claims (7)
1. a kind of Automobile Plate forming limit figure mensure caliberating device it is characterised in that: include the base with punching hole (6)
(1) supporting vertical plate (3) and and supporting vertical plate that the rotary support (2), being arranged on base (1) is connected with rotary support (2)
(3) scaling board (4) being connected；
Along the circumferential direction it is provided with circle rotating scale line (5) on described base (1) surface；
The bottom that the rotating circular disk (8) that described rotary support (2) includes being arranged on base (1) is fixedly connected with rotating circular disk (8)
Plate (13) and be arranged on that base plate (13) rotary end surface (12) is upper and the indicatrix (11) vertical with base plate (13) plane, and rotational circle
The circle central axis of disk (8) pass through the center of circle of rotating scale line (5), and the maximum radius of turn of base plate (13) rotary end surface (12) is less than
Rotating scale line (5) initiates the outer end point to the distance in the center of circle；
Supporting vertical plate body (15) that described supporting vertical plate (3) includes being vertically set on base plate (13), be located at supporting vertical plate this
The connection projection (16) at body (15) top, it is opened in and connects the axis hole (18) of projection (16) center and be arranged on supporting vertical plate
The upset graduation mark (17) being along the circumferential direction distributed for the center of circle on body (15) upper face and with the circle of axis hole (18), supports vertical
Plate body (15) is located at the center position of rotating circular disk (8)；
Have on described scaling board (4) and accommodate the swivelling chute (20) connecting projection (16), the side wall of swivelling chute (20) is provided with
Point to the indicator (22) that supporting vertical plate body (15) overturns graduation mark (17), connect projection (16) and pass through rotary shaft (23) and mark
Fixed board (4) connects；When described scaling board (4) is horizontal, upset graduation mark (17) conduct that indicator (22) is pointed to rises
Beginning graduation mark, scaling board (4) rotates the angle driving indicator (22) in the upper sweeping of upset graduation mark (17) around rotary shaft (23)
The angle rotating for scaling board (4).
2. Automobile Plate forming limit figure mensure caliberating device according to claim 1 it is characterised in that: described base plate
(13) have the through hole (10) inserting described supporting vertical plate body (15) on, the center position of described rotating circular disk (8) has slotting
Enter the through hole (14) of described supporting vertical plate body (15)；The side of described base plate (13) has the limit through described through hole (10)
Position hole, described supporting vertical plate body (15) at least offers a location hole (19), and bearing pin (9) passes through spacing hole and location hole
(19) described supporting vertical plate body (15) is fixed on described base plate (13).
3. Automobile Plate forming limit figure mensure caliberating device according to claim 1 and 2 it is characterised in that: described bottom
The cylindrical hole (7) installing described rotating circular disk (8), the internal diameter of described cylindrical hole (7) and described rotating circular disk are had on seat (1)
(8) external diameter matches, and the central axis of described cylindrical hole (7), the central axis of described punching hole (6) and described rotational circle
The central axes of disk (8).
4. Automobile Plate forming limit figure mensure caliberating device according to claim 1 and 2 it is characterised in that: described bottom
The rotary end surface (12) of plate (13) is a circular arc rotary end surface (12), and described indicatrix (11) is located at described circular arc rotary end surface
(12) at axial centerline.
5. Automobile Plate forming limit figure mensure caliberating device according to claim 1 and 2 it is characterised in that: described mark
The side of fixed board (4) has the rotary shaft hole (21) through described swivelling chute (20), and described rotary shaft (23) passes through rotary shaft hole
(21) and connect projection (16) axis hole (18) supporting vertical plate (3) is connected with scaling board (4), and rotary shaft hole (21) and indicate
Pin (22) is vertical.
6. Automobile Plate forming limit figure mensure caliberating device according to claim 1 and 2 it is characterised in that: described rotation
Turning disk (8) is annular rotating circular disk (8).
7. Automobile Plate forming limit figure mensure caliberating device according to claim 2 it is characterised in that: described support vertical
3～4 location holes (19) of uniform or non-homogeneous arrangement are offered on plate body (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754347.XU CN205920019U (en) | 2016-07-18 | 2016-07-18 | Calibration device is used to car board shaping limit picture survey |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754347.XU CN205920019U (en) | 2016-07-18 | 2016-07-18 | Calibration device is used to car board shaping limit picture survey |
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| Publication Number | Publication Date |
|---|---|
| CN205920019U true CN205920019U (en) | 2017-02-01 |
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ID=57873644
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620754347.XU Expired - Fee Related CN205920019U (en) | 2016-07-18 | 2016-07-18 | Calibration device is used to car board shaping limit picture survey |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576675A (en) * | 2017-09-19 | 2018-01-12 | 同方威视技术股份有限公司 | Ray energy caliberating device, ray energy scaling method and radiation imaging system |
| CN108050979A (en) * | 2017-12-04 | 2018-05-18 | 国网山东省电力公司电力科学研究院 | A kind of angle measurement system and method that detection is examined for unmanned plane |
| CN110865397A (en) * | 2018-08-28 | 2020-03-06 | 航天科工惯性技术有限公司 | Precision testing device and method for GPS equipment |
-
2016
- 2016-07-18 CN CN201620754347.XU patent/CN205920019U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576675A (en) * | 2017-09-19 | 2018-01-12 | 同方威视技术股份有限公司 | Ray energy caliberating device, ray energy scaling method and radiation imaging system |
| CN107576675B (en) * | 2017-09-19 | 2023-10-20 | 同方威视技术股份有限公司 | Radiation energy calibration device, radiation energy calibration method and radiation imaging system |
| CN108050979A (en) * | 2017-12-04 | 2018-05-18 | 国网山东省电力公司电力科学研究院 | A kind of angle measurement system and method that detection is examined for unmanned plane |
| CN108050979B (en) * | 2017-12-04 | 2020-05-12 | 国网山东省电力公司电力科学研究院 | Angle measuring system and method for unmanned aerial vehicle inspection and detection |
| CN110865397A (en) * | 2018-08-28 | 2020-03-06 | 航天科工惯性技术有限公司 | Precision testing device and method for GPS equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170703 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: WUHAN IRON AND STEEL Co.,Ltd. Address before: 430083 Qingshan District, Hubei, Wuhan Patentee before: WUHAN IRON AND STEEL Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20210718 |